Wiktionary
wait on
vb. 1 (context colloquial English) To wait for an event. 2 To wait for a person to do something. 3 To serve someone. 4 (cx archaic English) To attend; to go to see; to visit on business or for ceremony. 5 (cx archaic English) To follow, as a consequence; to await. 6 (cx archaic English) To attend to; to perform. 7 (cx falconry English) To fly above its master, waiting till game is sprung; said of a hawk. 8 (&lit wait on)